Home / 43,312.50-64,858.59-39,318.66

Finding the Fourth Proportional to 43,312.50, 64,858.59 and 39,318.66

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Solution

The fourth proportional to 43,312.50, 64,858.59 and 39,318.66 is: 58,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,312.50 : 64,858.59 = 39,318.66 : x
  2. Step 2: Convert to fraction form
    43,312.50/64,858.59 = 39,318.66/x
  3. Step 3: Cross multiply
    43,312.50x = 64,858.59 × 39,318.66
  4. Step 4: Simplify right side
    43,312.50x = 2,550,152,848.29
  5. Step 5: Solve for x
    x = 2,550,152,848.29/43,312.50
  6. Step 6: Final answer
    x = 58,877.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.