Home / 64,134.63-88,448.49-40,263.53

Finding the Fourth Proportional to 64,134.63, 88,448.49 and 40,263.53

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Solution

The fourth proportional to 64,134.63, 88,448.49 and 40,263.53 is: 55,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,134.63 : 88,448.49 = 40,263.53 : x
  2. Step 2: Convert to fraction form
    64,134.63/88,448.49 = 40,263.53/x
  3. Step 3: Cross multiply
    64,134.63x = 88,448.49 × 40,263.53
  4. Step 4: Simplify right side
    64,134.63x = 3,561,248,430.57
  5. Step 5: Solve for x
    x = 3,561,248,430.57/64,134.63
  6. Step 6: Final answer
    x = 55,527.70

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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.