Home / 93,448.08-128,960.10-51,008.13

Finding the Fourth Proportional to 93,448.08, 128,960.10 and 51,008.13

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Solution

The fourth proportional to 93,448.08, 128,960.10 and 51,008.13 is: 70,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,448.08 : 128,960.10 = 51,008.13 : x
  2. Step 2: Convert to fraction form
    93,448.08/128,960.10 = 51,008.13/x
  3. Step 3: Cross multiply
    93,448.08x = 128,960.10 × 51,008.13
  4. Step 4: Simplify right side
    93,448.08x = 6,578,013,545.61
  5. Step 5: Solve for x
    x = 6,578,013,545.61/93,448.08
  6. Step 6: Final answer
    x = 70,392.17

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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.