Home / 113,798.83-157,040.78-62,812.53

Finding the Fourth Proportional to 113,798.83, 157,040.78 and 62,812.53

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Solution

The fourth proportional to 113,798.83, 157,040.78 and 62,812.53 is: 86,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798.83 : 157,040.78 = 62,812.53 : x
  2. Step 2: Convert to fraction form
    113,798.83/157,040.78 = 62,812.53/x
  3. Step 3: Cross multiply
    113,798.83x = 157,040.78 × 62,812.53
  4. Step 4: Simplify right side
    113,798.83x = 9,864,128,390.91
  5. Step 5: Solve for x
    x = 9,864,128,390.91/113,798.83
  6. Step 6: Final answer
    x = 86,680.40

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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.