Home / 124,018.32-171,152.28-67,428.48

Finding the Fourth Proportional to 124,018.32, 171,152.28 and 67,428.48

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Solution

The fourth proportional to 124,018.32, 171,152.28 and 67,428.48 is: 93,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,018.32 : 171,152.28 = 67,428.48 : x
  2. Step 2: Convert to fraction form
    124,018.32/171,152.28 = 67,428.48/x
  3. Step 3: Cross multiply
    124,018.32x = 171,152.28 × 67,428.48
  4. Step 4: Simplify right side
    124,018.32x = 11,540,538,088.93
  5. Step 5: Solve for x
    x = 11,540,538,088.93/124,018.32
  6. Step 6: Final answer
    x = 93,055.11

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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.