Home / 93,075.02-128,446.41-52,790.42

Finding the Fourth Proportional to 93,075.02, 128,446.41 and 52,790.42

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Solution

The fourth proportional to 93,075.02, 128,446.41 and 52,790.42 is: 72,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,075.02 : 128,446.41 = 52,790.42 : x
  2. Step 2: Convert to fraction form
    93,075.02/128,446.41 = 52,790.42/x
  3. Step 3: Cross multiply
    93,075.02x = 128,446.41 × 52,790.42
  4. Step 4: Simplify right side
    93,075.02x = 6,780,739,931.39
  5. Step 5: Solve for x
    x = 6,780,739,931.39/93,075.02
  6. Step 6: Final answer
    x = 72,852.41

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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.