Home / 98,444.61-135,728.69-75,501.16

Finding the Fourth Proportional to 98,444.61, 135,728.69 and 75,501.16

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Solution

The fourth proportional to 98,444.61, 135,728.69 and 75,501.16 is: 104,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,444.61 : 135,728.69 = 75,501.16 : x
  2. Step 2: Convert to fraction form
    98,444.61/135,728.69 = 75,501.16/x
  3. Step 3: Cross multiply
    98,444.61x = 135,728.69 × 75,501.16
  4. Step 4: Simplify right side
    98,444.61x = 10,247,672,823.45
  5. Step 5: Solve for x
    x = 10,247,672,823.45/98,444.61
  6. Step 6: Final answer
    x = 104,095.82

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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.