Home / 99,225.45-136,924.02-56,192.58

Finding the Fourth Proportional to 99,225.45, 136,924.02 and 56,192.58

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Solution

The fourth proportional to 99,225.45, 136,924.02 and 56,192.58 is: 77,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225.45 : 136,924.02 = 56,192.58 : x
  2. Step 2: Convert to fraction form
    99,225.45/136,924.02 = 56,192.58/x
  3. Step 3: Cross multiply
    99,225.45x = 136,924.02 × 56,192.58
  4. Step 4: Simplify right side
    99,225.45x = 7,694,113,947.77
  5. Step 5: Solve for x
    x = 7,694,113,947.77/99,225.45
  6. Step 6: Final answer
    x = 77,541.74

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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.