Home / 99,302.64-137,029.50-58,460.28

Finding the Fourth Proportional to 99,302.64, 137,029.50 and 58,460.28

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Solution

The fourth proportional to 99,302.64, 137,029.50 and 58,460.28 is: 80,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.64 : 137,029.50 = 58,460.28 : x
  2. Step 2: Convert to fraction form
    99,302.64/137,029.50 = 58,460.28/x
  3. Step 3: Cross multiply
    99,302.64x = 137,029.50 × 58,460.28
  4. Step 4: Simplify right side
    99,302.64x = 8,010,782,938.26
  5. Step 5: Solve for x
    x = 8,010,782,938.26/99,302.64
  6. Step 6: Final answer
    x = 80,670.39

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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.