Home / 107,784.05-148,730.63-62,476.25

Finding the Fourth Proportional to 107,784.05, 148,730.63 and 62,476.25

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Solution

The fourth proportional to 107,784.05, 148,730.63 and 62,476.25 is: 86,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,784.05 : 148,730.63 = 62,476.25 : x
  2. Step 2: Convert to fraction form
    107,784.05/148,730.63 = 62,476.25/x
  3. Step 3: Cross multiply
    107,784.05x = 148,730.63 × 62,476.25
  4. Step 4: Simplify right side
    107,784.05x = 9,292,130,966.50
  5. Step 5: Solve for x
    x = 9,292,130,966.50/107,784.05
  6. Step 6: Final answer
    x = 86,210.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.