Home / 104,430.16-144,113.74-56,683.50

Finding the Fourth Proportional to 104,430.16, 144,113.74 and 56,683.50

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Solution

The fourth proportional to 104,430.16, 144,113.74 and 56,683.50 is: 78,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.16 : 144,113.74 = 56,683.50 : x
  2. Step 2: Convert to fraction form
    104,430.16/144,113.74 = 56,683.50/x
  3. Step 3: Cross multiply
    104,430.16x = 144,113.74 × 56,683.50
  4. Step 4: Simplify right side
    104,430.16x = 8,168,871,181.29
  5. Step 5: Solve for x
    x = 8,168,871,181.29/104,430.16
  6. Step 6: Final answer
    x = 78,223.29

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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.