Home / 82,349.34-122,921.36-70,737.18

Finding the Fourth Proportional to 82,349.34, 122,921.36 and 70,737.18

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Solution

The fourth proportional to 82,349.34, 122,921.36 and 70,737.18 is: 105,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,349.34 : 122,921.36 = 70,737.18 : x
  2. Step 2: Convert to fraction form
    82,349.34/122,921.36 = 70,737.18/x
  3. Step 3: Cross multiply
    82,349.34x = 122,921.36 × 70,737.18
  4. Step 4: Simplify right side
    82,349.34x = 8,695,110,014.48
  5. Step 5: Solve for x
    x = 8,695,110,014.48/82,349.34
  6. Step 6: Final answer
    x = 105,588.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.