Home / 52,345.65-72,230.45-35,386.78

Finding the Fourth Proportional to 52,345.65, 72,230.45 and 35,386.78

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Solution

The fourth proportional to 52,345.65, 72,230.45 and 35,386.78 is: 48,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,345.65 : 72,230.45 = 35,386.78 : x
  2. Step 2: Convert to fraction form
    52,345.65/72,230.45 = 35,386.78/x
  3. Step 3: Cross multiply
    52,345.65x = 72,230.45 × 35,386.78
  4. Step 4: Simplify right side
    52,345.65x = 2,556,003,043.45
  5. Step 5: Solve for x
    x = 2,556,003,043.45/52,345.65
  6. Step 6: Final answer
    x = 48,829.33

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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.