Home / 72,864.34-100,557.08-44,575.45

Finding the Fourth Proportional to 72,864.34, 100,557.08 and 44,575.45

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Solution

The fourth proportional to 72,864.34, 100,557.08 and 44,575.45 is: 61,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864.34 : 100,557.08 = 44,575.45 : x
  2. Step 2: Convert to fraction form
    72,864.34/100,557.08 = 44,575.45/x
  3. Step 3: Cross multiply
    72,864.34x = 100,557.08 × 44,575.45
  4. Step 4: Simplify right side
    72,864.34x = 4,482,376,868.81
  5. Step 5: Solve for x
    x = 4,482,376,868.81/72,864.34
  6. Step 6: Final answer
    x = 61,516.74

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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.