Home / 64,926.18-89,595.80-40,740.17

Finding the Fourth Proportional to 64,926.18, 89,595.80 and 40,740.17

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Solution

The fourth proportional to 64,926.18, 89,595.80 and 40,740.17 is: 56,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,926.18 : 89,595.80 = 40,740.17 : x
  2. Step 2: Convert to fraction form
    64,926.18/89,595.80 = 40,740.17/x
  3. Step 3: Cross multiply
    64,926.18x = 89,595.80 × 40,740.17
  4. Step 4: Simplify right side
    64,926.18x = 3,650,148,609.51
  5. Step 5: Solve for x
    x = 3,650,148,609.51/64,926.18
  6. Step 6: Final answer
    x = 56,219.98

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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.