Home / 104,430.13-144,113.72-56,683.49

Finding the Fourth Proportional to 104,430.13, 144,113.72 and 56,683.49

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Solution

The fourth proportional to 104,430.13, 144,113.72 and 56,683.49 is: 78,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.13 : 144,113.72 = 56,683.49 : x
  2. Step 2: Convert to fraction form
    104,430.13/144,113.72 = 56,683.49/x
  3. Step 3: Cross multiply
    104,430.13x = 144,113.72 × 56,683.49
  4. Step 4: Simplify right side
    104,430.13x = 8,168,867,602.50
  5. Step 5: Solve for x
    x = 8,168,867,602.50/104,430.13
  6. Step 6: Final answer
    x = 78,223.28

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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.