Home / 93,148.61-128,545.09-50,707.13

Finding the Fourth Proportional to 93,148.61, 128,545.09 and 50,707.13

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Solution

The fourth proportional to 93,148.61, 128,545.09 and 50,707.13 is: 69,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,148.61 : 128,545.09 = 50,707.13 : x
  2. Step 2: Convert to fraction form
    93,148.61/128,545.09 = 50,707.13/x
  3. Step 3: Cross multiply
    93,148.61x = 128,545.09 × 50,707.13
  4. Step 4: Simplify right side
    93,148.61x = 6,518,151,820.00
  5. Step 5: Solve for x
    x = 6,518,151,820.00/93,148.61
  6. Step 6: Final answer
    x = 69,975.84

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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.