Home / 99,588.02-137,434.95-54,269.74

Finding the Fourth Proportional to 99,588.02, 137,434.95 and 54,269.74

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Solution

The fourth proportional to 99,588.02, 137,434.95 and 54,269.74 is: 74,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.02 : 137,434.95 = 54,269.74 : x
  2. Step 2: Convert to fraction form
    99,588.02/137,434.95 = 54,269.74/x
  3. Step 3: Cross multiply
    99,588.02x = 137,434.95 × 54,269.74
  4. Step 4: Simplify right side
    99,588.02x = 7,458,558,044.89
  5. Step 5: Solve for x
    x = 7,458,558,044.89/99,588.02
  6. Step 6: Final answer
    x = 74,894.13

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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.