Home / 99,038.17-136,628.40-58,753.63

Finding the Fourth Proportional to 99,038.17, 136,628.40 and 58,753.63

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Solution

The fourth proportional to 99,038.17, 136,628.40 and 58,753.63 is: 81,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,038.17 : 136,628.40 = 58,753.63 : x
  2. Step 2: Convert to fraction form
    99,038.17/136,628.40 = 58,753.63/x
  3. Step 3: Cross multiply
    99,038.17x = 136,628.40 × 58,753.63
  4. Step 4: Simplify right side
    99,038.17x = 8,027,414,461.09
  5. Step 5: Solve for x
    x = 8,027,414,461.09/99,038.17
  6. Step 6: Final answer
    x = 81,053.74

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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.