Home / 113,768.16-157,001.76-62,780.10

Finding the Fourth Proportional to 113,768.16, 157,001.76 and 62,780.10

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Solution

The fourth proportional to 113,768.16, 157,001.76 and 62,780.10 is: 86,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,768.16 : 157,001.76 = 62,780.10 : x
  2. Step 2: Convert to fraction form
    113,768.16/157,001.76 = 62,780.10/x
  3. Step 3: Cross multiply
    113,768.16x = 157,001.76 × 62,780.10
  4. Step 4: Simplify right side
    113,768.16x = 9,856,586,192.98
  5. Step 5: Solve for x
    x = 9,856,586,192.98/113,768.16
  6. Step 6: Final answer
    x = 86,637.48

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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.