Home / 62,587.19-86,341.36-55,424.40

Finding the Fourth Proportional to 62,587.19, 86,341.36 and 55,424.40

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Solution

The fourth proportional to 62,587.19, 86,341.36 and 55,424.40 is: 76,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,587.19 : 86,341.36 = 55,424.40 : x
  2. Step 2: Convert to fraction form
    62,587.19/86,341.36 = 55,424.40/x
  3. Step 3: Cross multiply
    62,587.19x = 86,341.36 × 55,424.40
  4. Step 4: Simplify right side
    62,587.19x = 4,785,418,073.18
  5. Step 5: Solve for x
    x = 4,785,418,073.18/62,587.19
  6. Step 6: Final answer
    x = 76,460.02

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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.