Home / 76,031.79-104,923.24-42,041.76

Finding the Fourth Proportional to 76,031.79, 104,923.24 and 42,041.76

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Solution

The fourth proportional to 76,031.79, 104,923.24 and 42,041.76 is: 58,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031.79 : 104,923.24 = 42,041.76 : x
  2. Step 2: Convert to fraction form
    76,031.79/104,923.24 = 42,041.76/x
  3. Step 3: Cross multiply
    76,031.79x = 104,923.24 × 42,041.76
  4. Step 4: Simplify right side
    76,031.79x = 4,411,157,674.50
  5. Step 5: Solve for x
    x = 4,411,157,674.50/76,031.79
  6. Step 6: Final answer
    x = 58,017.28

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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.