Home / 93,079.02-128,445.27-50,637.72

Finding the Fourth Proportional to 93,079.02, 128,445.27 and 50,637.72

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Solution

The fourth proportional to 93,079.02, 128,445.27 and 50,637.72 is: 69,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,079.02 : 128,445.27 = 50,637.72 : x
  2. Step 2: Convert to fraction form
    93,079.02/128,445.27 = 50,637.72/x
  3. Step 3: Cross multiply
    93,079.02x = 128,445.27 × 50,637.72
  4. Step 4: Simplify right side
    93,079.02x = 6,504,175,617.58
  5. Step 5: Solve for x
    x = 6,504,175,617.58/93,079.02
  6. Step 6: Final answer
    x = 69,878.00

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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.