Home / 112,869.02-155,762.22-63,806.74

Finding the Fourth Proportional to 112,869.02, 155,762.22 and 63,806.74

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Solution

The fourth proportional to 112,869.02, 155,762.22 and 63,806.74 is: 88,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,869.02 : 155,762.22 = 63,806.74 : x
  2. Step 2: Convert to fraction form
    112,869.02/155,762.22 = 63,806.74/x
  3. Step 3: Cross multiply
    112,869.02x = 155,762.22 × 63,806.74
  4. Step 4: Simplify right side
    112,869.02x = 9,938,678,784.86
  5. Step 5: Solve for x
    x = 9,938,678,784.86/112,869.02
  6. Step 6: Final answer
    x = 88,054.98

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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.