Home / 93,160.29-128,557.13-50,718.81

Finding the Fourth Proportional to 93,160.29, 128,557.13 and 50,718.81

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Solution

The fourth proportional to 93,160.29, 128,557.13 and 50,718.81 is: 69,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,160.29 : 128,557.13 = 50,718.81 : x
  2. Step 2: Convert to fraction form
    93,160.29/128,557.13 = 50,718.81/x
  3. Step 3: Cross multiply
    93,160.29x = 128,557.13 × 50,718.81
  4. Step 4: Simplify right side
    93,160.29x = 6,520,264,397.02
  5. Step 5: Solve for x
    x = 6,520,264,397.02/93,160.29
  6. Step 6: Final answer
    x = 69,989.74

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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.