Home / 52,621.07-78,547.74-45,977.99

Finding the Fourth Proportional to 52,621.07, 78,547.74 and 45,977.99

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Solution

The fourth proportional to 52,621.07, 78,547.74 and 45,977.99 is: 68,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,621.07 : 78,547.74 = 45,977.99 : x
  2. Step 2: Convert to fraction form
    52,621.07/78,547.74 = 45,977.99/x
  3. Step 3: Cross multiply
    52,621.07x = 78,547.74 × 45,977.99
  4. Step 4: Simplify right side
    52,621.07x = 3,611,466,639.09
  5. Step 5: Solve for x
    x = 3,611,466,639.09/52,621.07
  6. Step 6: Final answer
    x = 68,631.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.