Home / 42,556.40-64,153.28-39,701.96

Finding the Fourth Proportional to 42,556.40, 64,153.28 and 39,701.96

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Solution

The fourth proportional to 42,556.40, 64,153.28 and 39,701.96 is: 59,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,556.40 : 64,153.28 = 39,701.96 : x
  2. Step 2: Convert to fraction form
    42,556.40/64,153.28 = 39,701.96/x
  3. Step 3: Cross multiply
    42,556.40x = 64,153.28 × 39,701.96
  4. Step 4: Simplify right side
    42,556.40x = 2,547,010,956.43
  5. Step 5: Solve for x
    x = 2,547,010,956.43/42,556.40
  6. Step 6: Final answer
    x = 59,850.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.