Home / 92,407.47-138,596.81-30,077.55

Finding the Fourth Proportional to 92,407.47, 138,596.81 and 30,077.55

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Solution

The fourth proportional to 92,407.47, 138,596.81 and 30,077.55 is: 45,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,407.47 : 138,596.81 = 30,077.55 : x
  2. Step 2: Convert to fraction form
    92,407.47/138,596.81 = 30,077.55/x
  3. Step 3: Cross multiply
    92,407.47x = 138,596.81 × 30,077.55
  4. Step 4: Simplify right side
    92,407.47x = 4,168,652,332.23
  5. Step 5: Solve for x
    x = 4,168,652,332.23/92,407.47
  6. Step 6: Final answer
    x = 45,111.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.