Home / 99,587.36-137,430.57-54,265.35

Finding the Fourth Proportional to 99,587.36, 137,430.57 and 54,265.35

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Solution

The fourth proportional to 99,587.36, 137,430.57 and 54,265.35 is: 74,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587.36 : 137,430.57 = 54,265.35 : x
  2. Step 2: Convert to fraction form
    99,587.36/137,430.57 = 54,265.35/x
  3. Step 3: Cross multiply
    99,587.36x = 137,430.57 × 54,265.35
  4. Step 4: Simplify right side
    99,587.36x = 7,457,717,294.60
  5. Step 5: Solve for x
    x = 7,457,717,294.60/99,587.36
  6. Step 6: Final answer
    x = 74,886.19

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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.