Home / 65,835.14-90,827.11-45,681.93

Finding the Fourth Proportional to 65,835.14, 90,827.11 and 45,681.93

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Solution

The fourth proportional to 65,835.14, 90,827.11 and 45,681.93 is: 63,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,835.14 : 90,827.11 = 45,681.93 : x
  2. Step 2: Convert to fraction form
    65,835.14/90,827.11 = 45,681.93/x
  3. Step 3: Cross multiply
    65,835.14x = 90,827.11 × 45,681.93
  4. Step 4: Simplify right side
    65,835.14x = 4,149,157,681.12
  5. Step 5: Solve for x
    x = 4,149,157,681.12/65,835.14
  6. Step 6: Final answer
    x = 63,023.45

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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.