Home / 113,681.55-156,881.52-62,696.10

Finding the Fourth Proportional to 113,681.55, 156,881.52 and 62,696.10

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Solution

The fourth proportional to 113,681.55, 156,881.52 and 62,696.10 is: 86,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,681.55 : 156,881.52 = 62,696.10 : x
  2. Step 2: Convert to fraction form
    113,681.55/156,881.52 = 62,696.10/x
  3. Step 3: Cross multiply
    113,681.55x = 156,881.52 × 62,696.10
  4. Step 4: Simplify right side
    113,681.55x = 9,835,859,466.07
  5. Step 5: Solve for x
    x = 9,835,859,466.07/113,681.55
  6. Step 6: Final answer
    x = 86,521.16

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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.