Home / 112,030.40-168,045.60-49,707.20

Finding the Fourth Proportional to 112,030.40, 168,045.60 and 49,707.20

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Solution

The fourth proportional to 112,030.40, 168,045.60 and 49,707.20 is: 74,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.40 : 168,045.60 = 49,707.20 : x
  2. Step 2: Convert to fraction form
    112,030.40/168,045.60 = 49,707.20/x
  3. Step 3: Cross multiply
    112,030.40x = 168,045.60 × 49,707.20
  4. Step 4: Simplify right side
    112,030.40x = 8,353,076,248.32
  5. Step 5: Solve for x
    x = 8,353,076,248.32/112,030.40
  6. Step 6: Final answer
    x = 74,560.80

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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.