Home / 86,239.28-119,026.63-48,513.53

Finding the Fourth Proportional to 86,239.28, 119,026.63 and 48,513.53

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Solution

The fourth proportional to 86,239.28, 119,026.63 and 48,513.53 is: 66,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239.28 : 119,026.63 = 48,513.53 : x
  2. Step 2: Convert to fraction form
    86,239.28/119,026.63 = 48,513.53/x
  3. Step 3: Cross multiply
    86,239.28x = 119,026.63 × 48,513.53
  4. Step 4: Simplify right side
    86,239.28x = 5,774,402,343.51
  5. Step 5: Solve for x
    x = 5,774,402,343.51/86,239.28
  6. Step 6: Final answer
    x = 66,957.91

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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.