Home / 104,430.40-144,114.68-56,683.74

Finding the Fourth Proportional to 104,430.40, 144,114.68 and 56,683.74

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Solution

The fourth proportional to 104,430.40, 144,114.68 and 56,683.74 is: 78,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.40 : 144,114.68 = 56,683.74 : x
  2. Step 2: Convert to fraction form
    104,430.40/144,114.68 = 56,683.74/x
  3. Step 3: Cross multiply
    104,430.40x = 144,114.68 × 56,683.74
  4. Step 4: Simplify right side
    104,430.40x = 8,168,959,051.30
  5. Step 5: Solve for x
    x = 8,168,959,051.30/104,430.40
  6. Step 6: Final answer
    x = 78,223.96

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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.