Home / 94,258.80-130,075.20-56,545.20

Finding the Fourth Proportional to 94,258.80, 130,075.20 and 56,545.20

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Solution

The fourth proportional to 94,258.80, 130,075.20 and 56,545.20 is: 78,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,258.80 : 130,075.20 = 56,545.20 : x
  2. Step 2: Convert to fraction form
    94,258.80/130,075.20 = 56,545.20/x
  3. Step 3: Cross multiply
    94,258.80x = 130,075.20 × 56,545.20
  4. Step 4: Simplify right side
    94,258.80x = 7,355,128,199.04
  5. Step 5: Solve for x
    x = 7,355,128,199.04/94,258.80
  6. Step 6: Final answer
    x = 78,031.21

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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.