Home / 103,347.06-142,610.22-62,526.40

Finding the Fourth Proportional to 103,347.06, 142,610.22 and 62,526.40

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Solution

The fourth proportional to 103,347.06, 142,610.22 and 62,526.40 is: 86,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,347.06 : 142,610.22 = 62,526.40 : x
  2. Step 2: Convert to fraction form
    103,347.06/142,610.22 = 62,526.40/x
  3. Step 3: Cross multiply
    103,347.06x = 142,610.22 × 62,526.40
  4. Step 4: Simplify right side
    103,347.06x = 8,916,903,303.28
  5. Step 5: Solve for x
    x = 8,916,903,303.28/103,347.06
  6. Step 6: Final answer
    x = 86,281.15

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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.