Home / 75,445.70-112,875.93-54,434.16

Finding the Fourth Proportional to 75,445.70, 112,875.93 and 54,434.16

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Solution

The fourth proportional to 75,445.70, 112,875.93 and 54,434.16 is: 81,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.70 : 112,875.93 = 54,434.16 : x
  2. Step 2: Convert to fraction form
    75,445.70/112,875.93 = 54,434.16/x
  3. Step 3: Cross multiply
    75,445.70x = 112,875.93 × 54,434.16
  4. Step 4: Simplify right side
    75,445.70x = 6,144,306,433.77
  5. Step 5: Solve for x
    x = 6,144,306,433.77/75,445.70
  6. Step 6: Final answer
    x = 81,440.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.