Home / 93,088.32-128,459.52-50,646.72

Finding the Fourth Proportional to 93,088.32, 128,459.52 and 50,646.72

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Solution

The fourth proportional to 93,088.32, 128,459.52 and 50,646.72 is: 69,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,088.32 : 128,459.52 = 50,646.72 : x
  2. Step 2: Convert to fraction form
    93,088.32/128,459.52 = 50,646.72/x
  3. Step 3: Cross multiply
    93,088.32x = 128,459.52 × 50,646.72
  4. Step 4: Simplify right side
    93,088.32x = 6,506,053,340.77
  5. Step 5: Solve for x
    x = 6,506,053,340.77/93,088.32
  6. Step 6: Final answer
    x = 69,891.19

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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.