Home / 107,088.56-147,780.48-59,341.76

Finding the Fourth Proportional to 107,088.56, 147,780.48 and 59,341.76

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Solution

The fourth proportional to 107,088.56, 147,780.48 and 59,341.76 is: 81,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,088.56 : 147,780.48 = 59,341.76 : x
  2. Step 2: Convert to fraction form
    107,088.56/147,780.48 = 59,341.76/x
  3. Step 3: Cross multiply
    107,088.56x = 147,780.48 × 59,341.76
  4. Step 4: Simplify right side
    107,088.56x = 8,769,553,776.84
  5. Step 5: Solve for x
    x = 8,769,553,776.84/107,088.56
  6. Step 6: Final answer
    x = 81,890.67

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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.