Home / 89,035.07-122,871.47-48,749.13

Finding the Fourth Proportional to 89,035.07, 122,871.47 and 48,749.13

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Solution

The fourth proportional to 89,035.07, 122,871.47 and 48,749.13 is: 67,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,035.07 : 122,871.47 = 48,749.13 : x
  2. Step 2: Convert to fraction form
    89,035.07/122,871.47 = 48,749.13/x
  3. Step 3: Cross multiply
    89,035.07x = 122,871.47 × 48,749.13
  4. Step 4: Simplify right side
    89,035.07x = 5,989,877,020.58
  5. Step 5: Solve for x
    x = 5,989,877,020.58/89,035.07
  6. Step 6: Final answer
    x = 67,275.48

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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.