Home / 52,420.60-78,477.30-46,276.60

Finding the Fourth Proportional to 52,420.60, 78,477.30 and 46,276.60

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Solution

The fourth proportional to 52,420.60, 78,477.30 and 46,276.60 is: 69,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.60 : 78,477.30 = 46,276.60 : x
  2. Step 2: Convert to fraction form
    52,420.60/78,477.30 = 46,276.60/x
  3. Step 3: Cross multiply
    52,420.60x = 78,477.30 × 46,276.60
  4. Step 4: Simplify right side
    52,420.60x = 3,631,662,621.18
  5. Step 5: Solve for x
    x = 3,631,662,621.18/52,420.60
  6. Step 6: Final answer
    x = 69,279.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.