Home / 89,878.02-124,031.34-49,594.32

Finding the Fourth Proportional to 89,878.02, 124,031.34 and 49,594.32

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Solution

The fourth proportional to 89,878.02, 124,031.34 and 49,594.32 is: 68,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.02 : 124,031.34 = 49,594.32 : x
  2. Step 2: Convert to fraction form
    89,878.02/124,031.34 = 49,594.32/x
  3. Step 3: Cross multiply
    89,878.02x = 124,031.34 × 49,594.32
  4. Step 4: Simplify right side
    89,878.02x = 6,151,249,965.99
  5. Step 5: Solve for x
    x = 6,151,249,965.99/89,878.02
  6. Step 6: Final answer
    x = 68,439.98

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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.