Home / 109,649.48-151,317.53-64,328.24

Finding the Fourth Proportional to 109,649.48, 151,317.53 and 64,328.24

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Solution

The fourth proportional to 109,649.48, 151,317.53 and 64,328.24 is: 88,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,649.48 : 151,317.53 = 64,328.24 : x
  2. Step 2: Convert to fraction form
    109,649.48/151,317.53 = 64,328.24/x
  3. Step 3: Cross multiply
    109,649.48x = 151,317.53 × 64,328.24
  4. Step 4: Simplify right side
    109,649.48x = 9,733,989,307.82
  5. Step 5: Solve for x
    x = 9,733,989,307.82/109,649.48
  6. Step 6: Final answer
    x = 88,773.70

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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.