Home / 99,588.17-137,430.45-54,265.01

Finding the Fourth Proportional to 99,588.17, 137,430.45 and 54,265.01

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Solution

The fourth proportional to 99,588.17, 137,430.45 and 54,265.01 is: 74,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.17 : 137,430.45 = 54,265.01 : x
  2. Step 2: Convert to fraction form
    99,588.17/137,430.45 = 54,265.01/x
  3. Step 3: Cross multiply
    99,588.17x = 137,430.45 × 54,265.01
  4. Step 4: Simplify right side
    99,588.17x = 7,457,664,056.40
  5. Step 5: Solve for x
    x = 7,457,664,056.40/99,588.17
  6. Step 6: Final answer
    x = 74,885.04

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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.