Home / 102,496.08-141,444.36-57,783.76

Finding the Fourth Proportional to 102,496.08, 141,444.36 and 57,783.76

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Solution

The fourth proportional to 102,496.08, 141,444.36 and 57,783.76 is: 79,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,496.08 : 141,444.36 = 57,783.76 : x
  2. Step 2: Convert to fraction form
    102,496.08/141,444.36 = 57,783.76/x
  3. Step 3: Cross multiply
    102,496.08x = 141,444.36 × 57,783.76
  4. Step 4: Simplify right side
    102,496.08x = 8,173,186,951.59
  5. Step 5: Solve for x
    x = 8,173,186,951.59/102,496.08
  6. Step 6: Final answer
    x = 79,741.46

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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.