Home / 92,916.18-128,227.59-52,631.10

Finding the Fourth Proportional to 92,916.18, 128,227.59 and 52,631.10

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Solution

The fourth proportional to 92,916.18, 128,227.59 and 52,631.10 is: 72,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,916.18 : 128,227.59 = 52,631.10 : x
  2. Step 2: Convert to fraction form
    92,916.18/128,227.59 = 52,631.10/x
  3. Step 3: Cross multiply
    92,916.18x = 128,227.59 × 52,631.10
  4. Step 4: Simplify right side
    92,916.18x = 6,748,759,112.05
  5. Step 5: Solve for x
    x = 6,748,759,112.05/92,916.18
  6. Step 6: Final answer
    x = 72,632.77

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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.