Home / 92,813.32-128,082.90-52,527.16

Finding the Fourth Proportional to 92,813.32, 128,082.90 and 52,527.16

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Solution

The fourth proportional to 92,813.32, 128,082.90 and 52,527.16 is: 72,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,813.32 : 128,082.90 = 52,527.16 : x
  2. Step 2: Convert to fraction form
    92,813.32/128,082.90 = 52,527.16/x
  3. Step 3: Cross multiply
    92,813.32x = 128,082.90 × 52,527.16
  4. Step 4: Simplify right side
    92,813.32x = 6,727,830,981.56
  5. Step 5: Solve for x
    x = 6,727,830,981.56/92,813.32
  6. Step 6: Final answer
    x = 72,487.77

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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.