Home / 113,013.34-155,965.70-62,712.34

Finding the Fourth Proportional to 113,013.34, 155,965.70 and 62,712.34

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Solution

The fourth proportional to 113,013.34, 155,965.70 and 62,712.34 is: 86,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013.34 : 155,965.70 = 62,712.34 : x
  2. Step 2: Convert to fraction form
    113,013.34/155,965.70 = 62,712.34/x
  3. Step 3: Cross multiply
    113,013.34x = 155,965.70 × 62,712.34
  4. Step 4: Simplify right side
    113,013.34x = 9,780,974,006.74
  5. Step 5: Solve for x
    x = 9,780,974,006.74/113,013.34
  6. Step 6: Final answer
    x = 86,547.07

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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.