Home / 88,045.12-121,523.36-50,341.28

Finding the Fourth Proportional to 88,045.12, 121,523.36 and 50,341.28

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Solution

The fourth proportional to 88,045.12, 121,523.36 and 50,341.28 is: 69,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,045.12 : 121,523.36 = 50,341.28 : x
  2. Step 2: Convert to fraction form
    88,045.12/121,523.36 = 50,341.28/x
  3. Step 3: Cross multiply
    88,045.12x = 121,523.36 × 50,341.28
  4. Step 4: Simplify right side
    88,045.12x = 6,117,641,492.30
  5. Step 5: Solve for x
    x = 6,117,641,492.30/88,045.12
  6. Step 6: Final answer
    x = 69,483.03

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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.