Home / 58,140.32-80,258.02-39,302.96

Finding the Fourth Proportional to 58,140.32, 80,258.02 and 39,302.96

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Solution

The fourth proportional to 58,140.32, 80,258.02 and 39,302.96 is: 54,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,140.32 : 80,258.02 = 39,302.96 : x
  2. Step 2: Convert to fraction form
    58,140.32/80,258.02 = 39,302.96/x
  3. Step 3: Cross multiply
    58,140.32x = 80,258.02 × 39,302.96
  4. Step 4: Simplify right side
    58,140.32x = 3,154,377,749.74
  5. Step 5: Solve for x
    x = 3,154,377,749.74/58,140.32
  6. Step 6: Final answer
    x = 54,254.56

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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.