Home / 70,280.36-96,929.16-50,130.80

Finding the Fourth Proportional to 70,280.36, 96,929.16 and 50,130.80

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Solution

The fourth proportional to 70,280.36, 96,929.16 and 50,130.80 is: 69,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.36 : 96,929.16 = 50,130.80 : x
  2. Step 2: Convert to fraction form
    70,280.36/96,929.16 = 50,130.80/x
  3. Step 3: Cross multiply
    70,280.36x = 96,929.16 × 50,130.80
  4. Step 4: Simplify right side
    70,280.36x = 4,859,136,334.13
  5. Step 5: Solve for x
    x = 4,859,136,334.13/70,280.36
  6. Step 6: Final answer
    x = 69,139.32

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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.