Home / 112,057.47-154,637.37-61,070.76

Finding the Fourth Proportional to 112,057.47, 154,637.37 and 61,070.76

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Solution

The fourth proportional to 112,057.47, 154,637.37 and 61,070.76 is: 84,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,057.47 : 154,637.37 = 61,070.76 : x
  2. Step 2: Convert to fraction form
    112,057.47/154,637.37 = 61,070.76/x
  3. Step 3: Cross multiply
    112,057.47x = 154,637.37 × 61,070.76
  4. Step 4: Simplify right side
    112,057.47x = 9,443,821,710.30
  5. Step 5: Solve for x
    x = 9,443,821,710.30/112,057.47
  6. Step 6: Final answer
    x = 84,276.59

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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.