Home / 107,968.32-148,966.02-62,637.30

Finding the Fourth Proportional to 107,968.32, 148,966.02 and 62,637.30

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Solution

The fourth proportional to 107,968.32, 148,966.02 and 62,637.30 is: 86,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,968.32 : 148,966.02 = 62,637.30 : x
  2. Step 2: Convert to fraction form
    107,968.32/148,966.02 = 62,637.30/x
  3. Step 3: Cross multiply
    107,968.32x = 148,966.02 × 62,637.30
  4. Step 4: Simplify right side
    107,968.32x = 9,330,829,284.55
  5. Step 5: Solve for x
    x = 9,330,829,284.55/107,968.32
  6. Step 6: Final answer
    x = 86,421.92

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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.