Home / 113,818.40-157,068.16-62,831.52

Finding the Fourth Proportional to 113,818.40, 157,068.16 and 62,831.52

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Solution

The fourth proportional to 113,818.40, 157,068.16 and 62,831.52 is: 86,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.40 : 157,068.16 = 62,831.52 : x
  2. Step 2: Convert to fraction form
    113,818.40/157,068.16 = 62,831.52/x
  3. Step 3: Cross multiply
    113,818.40x = 157,068.16 × 62,831.52
  4. Step 4: Simplify right side
    113,818.40x = 9,868,831,236.40
  5. Step 5: Solve for x
    x = 9,868,831,236.40/113,818.40
  6. Step 6: Final answer
    x = 86,706.82

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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.